Question

решите плиз 2,5(3x-2)-4(2x+0,5)=-4

Answer 1

7.5x - 5 - 8x - 2 + 4 = 0
-0.5x = 3
x = -3/0.5 = -30/5 = -6

Answer 2

7.5x - 5 - 8x - 2 = -4
7.5x - 8x = -4 + 5 + 2
-0.5x = 3
x = -6